US Patent Issued to Hitachi Astemo on Sept. 16 for "Shock absorber and manufacturing method of shock absorber" (Japanese, American Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,343, issued on Sept. 16, was assigned to Hitachi Astemo Ltd. (Ibaraki, Japan).

"Shock absorber and manufacturing method of shock absorber" was invented by Joel Donahue (Novi, Mich.), Jordan Truitt (Farmington Hills, Mich.), Takeru Yokota (Hitachinaka, Japan) and Koji Minamino (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In this shock absorber, a piston includes a first piston body, a second piston body, and a piston band. The first piston body includes a first passage, a second passage, a first seat, and a second seat. The first seat communicates with the first passage and on which a first damping valve is placed. A second dam...